The water level of the two estuaries of the Yalong River

2865m. Lianghekou Hydropower Station is located in the lower reaches of the confluence mouth of the main stream of the Yalong River and its tributary Qingda River in Yajiang County, Ganzizhou, Sichuan Province, about 25km upstream of Yajiang County. The multi-year average flow rate at the dam site is 664 cubic meters per second, and the normal reservoir water level is 2865m. The corresponding storage capacity is 10.154 billion cubic meters and the adjusted storage capacity is 6.560 billion cubic meters, with multi-year adjustment capabilities.